diff options
Diffstat (limited to 'src/libudev/fileio.c')
-rw-r--r-- | src/libudev/fileio.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/src/libudev/fileio.c b/src/libudev/fileio.c deleted file mode 100644 index fe27b23001..0000000000 --- a/src/libudev/fileio.c +++ /dev/null @@ -1,143 +0,0 @@ -/*** - This file is part of eudev, forked from systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <unistd.h> -#include <sys/sendfile.h> -#include "fileio.h" -#include "util.h" -#include "strv.h" -#include "utf8.h" -#include "ctype.h" - -int write_string_stream(FILE *f, const char *line) { - assert(f); - assert(line); - - errno = 0; - - fputs(line, f); - if (!endswith(line, "\n")) - fputc('\n', f); - - fflush(f); - - if (ferror(f)) - return errno ? -errno : -EIO; - - return 0; -} - -int write_string_file(const char *fn, const char *line) { - _cleanup_fclose_ FILE *f = NULL; - - assert(fn); - assert(line); - - f = fopen(fn, "we"); - if (!f) - return -errno; - - return write_string_stream(f, line); -} -int read_one_line_file(const char *fn, char **line) { - _cleanup_fclose_ FILE *f = NULL; - char t[LINE_MAX], *c; - - assert(fn); - assert(line); - - f = fopen(fn, "re"); - if (!f) - return -errno; - - if (!fgets(t, sizeof(t), f)) { - - if (ferror(f)) - return errno ? -errno : -EIO; - - t[0] = 0; - } - - c = strdup(t); - if (!c) - return -ENOMEM; - truncate_nl(c); - - *line = c; - return 0; -} - -int read_full_file(const char *fn, char **contents, size_t *size) { - _cleanup_fclose_ FILE *f = NULL; - size_t n, l; - _cleanup_free_ char *buf = NULL; - struct stat st; - - assert(fn); - assert(contents); - - f = fopen(fn, "re"); - if (!f) - return -errno; - - if (fstat(fileno(f), &st) < 0) - return -errno; - - /* Safety check */ - if (st.st_size > 4*1024*1024) - return -E2BIG; - - n = st.st_size > 0 ? st.st_size : LINE_MAX; - l = 0; - - for (;;) { - char *t; - size_t k; - - t = realloc(buf, n+1); - if (!t) - return -ENOMEM; - - buf = t; - k = fread(buf + l, 1, n - l, f); - - if (k <= 0) { - if (ferror(f)) - return -errno; - - break; - } - - l += k; - n *= 2; - - /* Safety check */ - if (n > 4*1024*1024) - return -E2BIG; - } - - buf[l] = 0; - *contents = buf; - buf = NULL; /* do not free */ - - if (size) - *size = l; - - return 0; -} |